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2625120 = 253251823
BaseRepresentation
bin1010000000111001100000
311221100222200
422000321200
51133000440
6132133200
731212261
oct12007140
94840880
102625120
111533323
12a67200
1370bb34
144c4968
1536cc30
hex280e60

2625120 has 72 divisors (see below), whose sum is σ = 8963136. Its totient is φ = 699648.

The previous prime is 2625079. The next prime is 2625137. The reversal of 2625120 is 215262.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2625093 and 2625102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

22625120 is an apocalyptic number.

2625120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2625120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4481568).

2625120 is an abundant number, since it is smaller than the sum of its proper divisors (6338016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2625120 is a wasteful number, since it uses less digits than its factorization.

2625120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2625120 is about 1620.2222069827. Note that the first 4 decimals coincide. The cubic root of 2625120 is about 137.9483108245.

The spelling of 2625120 in words is "two million, six hundred twenty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 1823 3646 5469 7292 9115 10938 14584 16407 18230 21876 27345 29168 32814 36460 43752 54690 58336 65628 72920 82035 87504 109380 131256 145840 164070 175008 218760 262512 291680 328140 437520 525024 656280 875040 1312560 2625120